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SAE-AISI T15 Steel vs. ASTM A387 Grade 2 Steel

Both SAE-AISI T15 steel and ASTM A387 grade 2 steel are iron alloys. They have 72% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T15 steel and the bottom bar is ASTM A387 grade 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 830 to 2240
470 to 550

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1690
1470
Melting Onset (Solidus), °C 1640
1420
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 21
45
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 43
2.6
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 16
1.6
Embodied Energy, MJ/kg 250
20
Embodied Water, L/kg 140
50

Common Calculations

PREN (Pitting Resistance) 27
2.4
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 26 to 71
16 to 20
Strength to Weight: Bending, points 22 to 43
17 to 19
Thermal Diffusivity, mm2/s 5.6
12
Thermal Shock Resistance, points 26 to 70
14 to 16

Alloy Composition

Carbon (C), % 1.5 to 1.6
0.050 to 0.21
Chromium (Cr), % 3.8 to 5.0
0.5 to 0.8
Cobalt (Co), % 4.8 to 5.3
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 67.5 to 73.5
97.1 to 98.3
Manganese (Mn), % 0.15 to 0.4
0.55 to 0.8
Molybdenum (Mo), % 0 to 1.0
0.45 to 0.6
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.15 to 0.4
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 11.8 to 13
0
Vanadium (V), % 4.5 to 5.3
0

Comparable Variants